Karotz - Boot Process

Le Karotz est architecturé autour d'une carte Pragmatec ARM9 et d'un module 2440 sur lequel tourne un Linux 2.6.28. Pour le développement croisé voir le pdf ARM9 Dev Starter Kit.

Boot

• Machine: RABBITV3 by PRAGMATEC
  CPU: ARM920T [41129200] revision 0 (ARMv4T) - pict - pdf - html
  CPU: Module 2440SODIMM S3C2440A
  Os: Linux version 2.6.28-pragmatec - Faq - pdf
  BusyBox v1.17.4 - GCC: (GNU) 3.2.2 (Buildroot 2010.11) 4.3.5
  ARM9 Development Starter Kit

• linuxrc - view

• version - rootfs - yaffs

• dmesg - view karotz_sys_dmesg.txt

• whoami - root

• mount
  rootfs on / type rootfs (rw)
  /dev/root on / type cramfs (ro)
  proc on /proc type proc (rw)
  none on /sys type sysfs (rw)
  ramfs on /var type ramfs (rw)
  none on /dev type tmpfs (rw,mode=755)
  /dev/uba1 on /mnt/usbkey type vfat
  (rw,fmask=0022,dmask=0022,codepage=cp437,iocharset=iso8859-1)
  /dev/mtdblock6 on /usr type yaffs (rw)
  none on /dev/pts type devpts (rw,mode=622)
  tmpfs on /dev/shm type tmpfs (rw)
  usbfs on /proc/bus/usb type usbfs (rw)

• cat /etc/inittab - ln /karotz/etc/inittab
  # Startup the system
  ::once:/karotz/scripts/karotz_init.sh
  ::respawn:/karotz/bin/power
  # Configuration programm
  ::once:/usr/scripts/miniusb_read.sh
  ::restart:/sbin/init
  #::askfirst:/bin/bash
  # Stuff to do before rebooting
  ::shutdown:/karotz/scripts/karotz_shutdown.sh
  ::shutdown:/bin/umount -a -r
  

• ll -lR - view karotz_sys_dir.txt

• ps
  PID USER COMMAND
  1 root /bin/sh /linuxrc
  2 root [kthreadd]
  3 root [ksoftirqd/0]
  4 root [watchdog/0]
  5 root [events/0]
  6 root [khelper]
  155 root [kblockd/0]
  166 root [khubd]
  169 root [kseriod]
  195 root [pdflush]
  196 root [pdflush]
  197 root [kswapd0]
  198 root [aio/0]
  199 root [nfsiod]
  886 root [scsi_tgtd/0]
  892 root [mtdblockd]
  893 root [nftld]
  894 root [inftld]
  923 root [s3c2410-spi.0]
  931 root [uwbd]
  944 root [wusbd]
  979 root [hid_compat]
  1020 root [rpciod/0]
  1067 root [rt73usb]
  1377 root /karotz/bin/led -l FFCFAF -p 000000 -d 1500
  1380 root /sbin/inetd /tmp/wizz_inetd_telnet.conf
  1346 root /sbin/inetd
  1382 root ps

• cat /etc/group - ln /karotz/etc/group
  root:*:0:
  daemon:*:1:
  bin:*:2:
  sys:*:3:
  adm:*:4:
  tty:*:5:
  disk:*:6:
  lp:*:7:
  mail:*:8:
  news:*:9:
  uucp:*:10:
  kmem:*:15:
  dbus:x:81:
  ppp:x:99:
  nogroup:x:100:

• cat /etc/passwd - ln /karotz/etc/passwd
  root:*:0:0:root:/usr/karotz:/bin/bash
  bin:*:1:1:bin:/bin:
  daemon:*:2:2:daemon:/sbin:
  nobody:*:99:99:Nobody:/:
  dbus:x:81:81:dbus:/var/run/dbus:/bin/sh

• /bin/printenv
  KMOD=/lib/modules/
  TERM=linux
  k_nbclick=0
  LD_LIBRARY_PATH=/lib:/usr/lib
  AUTO_UPDATE=yes
  GST_REGISTRY_UPDATE=no
  PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:./
  GST_REGISTRY=/usr/karotz/registry
  devfs=udev
  PWD=/
  LANG=C
  SHLVL=1
  HOME=/
  WIZZ_HOME=/usr/karotz
  DISPLAY=unix:0.0
  _=/bin/printenv

• /bin/busybox
  BusyBox v1.17.4 (2012-03-29 10:05:08 CEST) multi-call binary.
  Copyright (C) 1998-2009 Erik Andersen, Rob Landley, Denys Vlasenko
  and others. Licensed under GPLv2.
  See source distribution for full notice.
  
  Usage: busybox [function] [arguments]...
  or: function [arguments]...
  
  BusyBox is a multi-call binary that combines many common Unix utilities into a single executable. Most people will create a link to busybox for each function they wish to use and BusyBox will act like whatever it was invoked as.
  
  Currently defined functions: where are chpasswd and ftpd? ;-))...
  [, [[, addgroup, adduser, ar, arping, ash, awk, basename, bootchartd, bunzip2, bzcat, cat, catv, chattr, chgrp, chmod, chown, chroot, chrt, chvt, cksum, clear, cmp, cp, cpio, crond, crontab, cut, date, dc, dd, deallocvt, delgroup, deluser, devmem, df, diff, dirname, dmesg, dnsd, dnsdomainname, dos2unix, du, dumpkmap, echo, egrep, eject, env, ether-wake, expr, false, fdflush, fdformat, fgconsole, fgrep, find, flock, fold, free, freeramdisk, fsck, fuser, getopt, getty, grep, gunzip, gzip, halt, hdparm, head, hexdump, hostid, hostname, hwclock, id, ifconfig, ifdown, ifup, inetd, init, insmod, install, ip, ipaddr, ipcrm, ipcs, iplink, iproute, iprule, iptunnel, kill, killall, killall5, klogd, last, length, less, linux32, linux64, linuxrc, ln, loadfont, loadkmap, logger, login, logname, losetup, ls, lsattr, lsmod, lspci, lsusb, lzcat, lzma, makedevs, md5sum, mdev, mesg, mkdir, mkfifo, mknod, mkswap, mktemp, modinfo, modprobe, more, mount, mountpoint, mt, mv, nameif, nc, netstat, nice, nohup, nslookup, od, openvt, passwd, patch, pidof, ping, pipe_progress, pivot_root, poweroff, printenv, printf, ps, pwd, rdate, readlink, readprofile, realpath, reboot, renice, reset, resize, rev, rm, rmdir, rmmod, route, run-parts, runlevel, sed, seq, setarch, setconsole, setkeycodes, setlogcons, setsid, sh, sha1sum, sha256sum, sha512sum, sleep, smemcap, sort, start-stop-daemon, strings, stty, su, sulogin, swapoff, swapon, switch_root, sync, sysctl, syslogd, tail, tar, tee, telnet, telnetd, test, tftp, time, top, touch, tr, traceroute, true, tty, udhcpc, umount, uname, uniq, unix2dos, unlzma, unxz, unzip, uptime, usleep, uudecode, uuencode, vconfig, vi, vlock, watch, watchdog, wc, wget, which, who, whoami, xargs, xz, xzcat, yes, zcat